protected function sync_meta( $template ) {

		if ( 1 === $template->get_template_version() ) {
			return;
		}

		$props = array(
			'background',
			'height',
			'margins',
			'orientation',
			'size',
			'unit',
			'width',
		);

		foreach ( $props as $prop ) {
			$this->set( $prop, $template->get( $prop ) );
		}

	}